Patent US3208413A successfully refreshed from Google Patents.
Patent US3397174A successfully refreshed from Google Patents.
US3397174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing halogenated copolymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-09-10
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Granted: 1968-08-13
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Parker Paul Thomas
- 👤 Fred J Buchmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR STABILIZING WHILE HEATING ABOVE 200*F. IN THE ABSENCE OF OTHER CURING AGENTS, A HALOGENATED COPOLYMER OF A MAJOR PROPORTION OF ISOBUTYLENE AND A MINOR PROPORTION OF AN UNSATURATED HYDROCARBON CHOSEN FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE, METHYLCYLOPENTADIENE, AND DIVINYL BENZENE AND MIXTUES THEREOF AND HAVING A HALOGEN CONTENT OF AT LEAST 0.5 WT. PERCENT AND A MOLE PERCENT UNSATURATION OF AT LEAST 1.0 PERCENT AND A MOLE PERCENT UNSATURATION OF AT LEAST 1.0 WHICH COMPRISES ADDING TO SAID HALOGENATED COPOLYMER PRIOR TO SAID HEATING 0.05 TO 10 WT. PERCENT OF AN ALIPHATIC AMINE CHOSEN FROM THE GROUP CONSISTING OF M-BUTYLAMINE, DIETHYLAMINE AND TRIMETHYLLYLAMINE.
Claim 2
Dependent Claim
107 words
A PROCESS FOR STABILIZING WHILE HEATING ABOVE 200*F. IN THE ABSENCE OF OTHER CURING AGENTS, A HALOGENATED COPOLYMER OF A MAJOR PROPORTION OF ISOBUTYLENE AND A MINOR PROPORTION OF AN UNSATURATED HYDROCARBON CHOSEN FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE, METHYLCYLOPENTADIENE, AND DIVINYL BENZENE AND MIXTUES THEREOF AND HAVING A HALOGEN CONTENT OF AT LEAST 0.5 WT. PERCENT AND A MOLE PERCENT UNSATURATION OF AT LEAST 1.0 PERCENT AND A MOLE PERCENT UNSATURATION OF AT LEAST 1.0 WHICH COMPRISES ADDING TO SAID HALOGENATED COPOLYMER PRIOR TO SAID HEATING 0.05 TO 10 WT. PERCENT OF AN ALIPHATIC AMINE CHOSEN FROM THE GROUP CONSISTING OF M-BUTYLAMINE, DIETHYLAMINE AND TRIMETHYLLYLAMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |